Cited by 51Acute Ischemic Stroke ManagementNeuroinflammation and Neurodegeneration MechanismsImmune Response and Inflammation

Proof of Concept: Pharmacological Preconditioning with a Toll-like Receptor Agonist Protects against Cerebrovascular Injury in a Primate Model of Stroke

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Bahjat, Frances Rena, Williams-Karnesky, Rebecca L, Kohama, Steven G, West, G Alexander, Doyle, Kristian P, Spector, Maxwell D, Hobbs, Theodore R, Stenzel-Poore, Mary P·2011·Journal of Cerebral Blood Flow & Metabolism

Abstract

Cerebral ischemic injury is a significant portion of the burden of disease in developed countries; rates of mortality are high and the costs associated with morbidity are enormous. Recent therapeutic approaches have aimed at mitigating the extent of damage and/or promoting repair once injury has occurred. Often, patients at high risk of ischemic injury can be identified in advance and targeted for antecedent neuroprotective therapy. Agents that stimulate the innate pattern recognition receptor, Toll-like receptor 9, have been shown to induce tolerance (precondition) to ischemic brain injury in a mouse model of stroke. Here, we demonstrate for the first time that pharmacological preconditioning against cerebrovascular ischemic injury is also possible in a nonhuman primate model of stroke in the rhesus macaque. The model of stroke used is a minimally invasive transient vascular occlusion, resulting in brain damage that is primarily localized to the cortex and as such, represents a model with substantial clinical relevance. Finally, K-type (also referred to as B-type) cytosine-guanine-rich DNA oligonucleotides, the class of agents employed in this study, are currently in use in human clinical trials, underscoring the feasibility of this treatment in patients at risk of cerebral ischemia.

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  • Such context-specific signaling is a hallmark of TGFβ in its role in cancer, where it switches from inhibition of tumor growth and metastasis to promotion of endothelial to mesenchymal transition and metastasis as the local tumor environment evolves.

    “Such context-specific signaling is a hallmark of TGFβ in its role in cancer, where it switches from inhibition of tumor growth and metastasis to promotion of endothelial to mesenchymal transition and metastasis as the local tumor environment evolves14,43.”

    From GDF10 is a signal for axonal sprouting and functional recovery after stroke (2015) · cites this paper as [43]

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Authors
Bahjat, F. R., Williams-Karnesky, R. L., Kohama, S. G., West, G. A., Doyle, K. P., Spector, M. D., Hobbs, T. R., & Stenzel-Poore, M. P.
Affiliations
  • Oregon Health & Science University (US)
  • Oregon National Primate Research Center (US)
  • Swedish Medical Center (US)
  • Stanford Medicine (US)
  • Department of Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, Oregon, USA
Venue
Journal of Cerebral Blood Flow & Metabolism
Published
2011-02-02
Volume
31
Issue
5
Pages
1229-1242
ISSN
  • 0271-678X (ISSN-L)
  • 1559-7016
OpenAlex
W2050798868
Cited by
51
References
41
Citations by year
2026: 1 · 2023: 2 · 2021: 3 · 2020: 3 · 2019: 4 · 2018: 1 · 2017: 3 · 2016: 5 · 2015: 6 · 2014: 6 · 2013: 4 · 2012: 10
FWCI
5.54
Type
journal article
Language
en
Open access
Locations
  • Journal of Cerebral Blood Flow & Metabolism (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ns050567-10)
  • National Institute of Neurological Disorders and Stroke (F30NS070359, U01NS064953, R01-NS050567, R01NS062381, K08NS043997, NS043997, NS050567)
  • National Center for Research Resources (P51RR000163, K01RR000163, RR-00163.)
Topics
  • Health Sciences › Medicine › Epidemiology › Acute Ischemic Stroke Management
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
pharmacological preconditioning, TLR9, cerebral ischemia, stroke, neuroprotection, rhesus macaque model, transient middle cerebral artery occlusion, innate immunity, pattern recognition receptors, ischemic brain injury
MeSH terms
Animals, Disease Models, Animal, DNA, Macaca mulatta, Male, Mice, Inbred C57BL, Oligodeoxyribonucleotides, Ischemic Preconditioning, Recovery of Function, Stroke, Toll-Like Receptors, Mice

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